نتایج جستجو برای: dinsar technique
تعداد نتایج: 611683 فیلتر نتایج به سال:
This work presents the first results obtained by applying in situ and remote-sensing methodologies to monitor Ponte della Musica-Armando Trovajoli located Rome, within activities of WP6 “Structural Health Monitoring Satellite Data” 2019-21 Reluis Project. In particular, use Differential Synthetic Aperture Radar (SAR) Interferometry (DInSAR) measurements provided a spatial map displacement inves...
ذخیره برف در حوزههای کوهستانی از منابع آب مهم است. طبق بررسیهای انجام شده حدود 60 درصد آبهای سطحی و 57 درصد آبهای زیرزمینی کشور در مناطق برفگیر جریان دارند. در سالهای اخیر اهمیت و کاربردهای دادههای روزنه ترکیبی راداری (SAR) با توجه به مزیتهای عمدهای نسبت به سایر سیستمهای سنجش از دور دارند رو به فزونی بوده است. در این پژوهش ابتدا با استفاده از تولیدات ماهواره مودیس (MODIS) و الگوریتم...
The increasing availability of Synthetic Aperture Radar (SAR) images facilitates the generation rich Differential Interferometric SAR (DInSAR) data. Temporal analysis DInSAR products, and in particular deformation Time Series (TS), enables advanced investigations for ground identification. Machine Learning algorithms offer efficient tools classifying large volumes In this study, we train superv...
Inflation of Aira Caldera (Japan) detected over Kokubu urban area using SAR interferometry ERS data D. Remy, S. Bonvalot, M. Murakami, P. Briole, and S. Okuyama Institut de Recherche pour le Développement (IRD), UR154, Toulouse, France Institut de Physique du Globe de Paris, 4 Place Jussieu, 75005 Paris, France Geographical Survey Institute, Mizusawa Geodetic Observatory, Mizusawa, Japan Kyoto ...
Persistent scatterer interferometry (PSI) is a group of advanced interferometric synthetic aperture radar (SAR) techniques used to measure and monitor terrain deformation. Sentinel-1 has improved the data acquisition throughout and, compared previous sensors, increased considerably differential SAR (DInSAR) PSI deformation monitoring potential. The low density persistent (PS) in non-urban areas...
Abstract Different forms of hazard can affect structures throughout their existence. The occurrence a seismic event in areas exposed to different risks or already affected by other phenomena is highly likely, especially countries characterized high seismicity and equally hydrogeological risk, as Italy. Nevertheless, the safety assessment reinforced concrete (RC) commonly carried out considering...
Satellite interferometry has recently developed as a powerful tool for monitoring displacements on structures structural health (SHM), it allows obtaining information past deformation and performing back analysis behavior. Despite the increasing literature this subject, lack of protocols applying interpreting interferometric data assessment prevents these techniques from being employed alongsid...
This paper presents a methodology tuned to support the management of underground pipelines (sewer and aqueduct networks) in Rome, often threatened by sudden formation sinkholes related upward migration existing cavities. The integrates data coming from assessment susceptibility sinkhole advanced processing satellite-based SAR imagery. former, performed through multivariate logistic regression t...
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